Issue #3269419 by Gauravvvv, Kaustab_Roy, mherchel: Claro: Boundary of modals...

Issue #3269419 by Gauravvvv, Kaustab_Roy, mherchel: Claro: Boundary of modals are difficult to discern in forced colors

core/themes/claro/css/components/dialog.css

@@ -21,6 +21,12 @@
   box-shadow: var(--jui-dialog-box-shadow);
 }
 
+@media (forced-colors: active) {
+  .ui-dialog {
+    border: 1px solid transparent;
+  }
+}
+
 .ui-dialog:focus {
   outline: var(--jui-dialog--focus-outline);
   box-shadow: var(--jui-dialog--focus-box-shadow);

core/themes/claro/css/components/dialog.pcss.css

@@ -12,6 +12,10 @@
   border-radius: var(--jui-dialog-border-radius);
   background: transparent;
   box-shadow: var(--jui-dialog-box-shadow);
+
+  @media (forced-colors: active) {
+    border: 1px solid transparent;
+  }
 }
 
 .ui-dialog:focus {